Hengjie Predictive Safety Execution Kernel: Core Evidence Package of the Frozen-Protocol Experiment (Protocol v2.1, 424 Executable Cells)

This record publishes the core evidence package of the Hengjie Predictive Safety Execution Kernel frozen-protocol experiment (Protocol v2.1, 424 executable cells). Contents: (1) pkg1_freeze_and_records.tar.gz — freeze registration, batch records, recomputation records and scripts; (2) pkg2_cells.tar.gz — per-cell artifacts for all 424 executable cells; (3) pkg3_engine_tree.tar.gz — the frozen engine source tree. The deposit also includes README_EVIDENCE.md, which describes the deposit, and hengjie_core_evidence_2026-11-02.manifest.txt, which maps the complete core evidence package. Scope note: this is the core evidence package of the frozen-protocol experiment; it is intended to support independent recomputation and robust predictive verification of the LLM planner safety execution kernel. Note: the full raw data are held in a Google Drive archive and are available from the corresponding author.